Home / 11,288.60-16,932.90-4,712.60

Finding the Fourth Proportional to 11,288.60, 16,932.90 and 4,712.60

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Solution

The fourth proportional to 11,288.60, 16,932.90 and 4,712.60 is: 7,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.60 : 16,932.90 = 4,712.60 : x
  2. Step 2: Convert to fraction form
    11,288.60/16,932.90 = 4,712.60/x
  3. Step 3: Cross multiply
    11,288.60x = 16,932.90 × 4,712.60
  4. Step 4: Simplify right side
    11,288.60x = 79,797,984.54
  5. Step 5: Solve for x
    x = 79,797,984.54/11,288.60
  6. Step 6: Final answer
    x = 7,068.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.